Home / 53,129.43-73,315.77-30,467.33

Finding the Fourth Proportional to 53,129.43, 73,315.77 and 30,467.33

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Solution

The fourth proportional to 53,129.43, 73,315.77 and 30,467.33 is: 42,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.43 : 73,315.77 = 30,467.33 : x
  2. Step 2: Convert to fraction form
    53,129.43/73,315.77 = 30,467.33/x
  3. Step 3: Cross multiply
    53,129.43x = 73,315.77 × 30,467.33
  4. Step 4: Simplify right side
    53,129.43x = 2,233,735,392.22
  5. Step 5: Solve for x
    x = 2,233,735,392.22/53,129.43
  6. Step 6: Final answer
    x = 42,043.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.